High capacity dry separation apparatus with air-heavy medium fluidized bed
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United States of America Patent
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-
Feb 28, 1995
Grant Date -
N/A
app pub date -
Oct 12, 1993
filing date -
Oct 16, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high capacity dry separation apparatus with air-heavy medium fluidized bed having a separation chamber (3) with a fluidized bed above an air distributor (4), a scraper conveyer (2) in the separation chamber (3) having a double-scraper structure made up of two columns of scrapers moving side by side, and a sink discharge outlet (8) at one end of the separation chamber. An up-floating materials discharge outlet (11) and a feed inlet (12) are arranged on opposite sides of the separation chamber (3). An inclined inner circulator (7) for heavy medium is provided in the separation chamber and includes an air inlet tube (13), a cone-shaped buffer chamber (14), a sieve layer (15), a multilayer fabric (16) and a sintered metal plate (17).
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